Getting network card address in Java 6

The class below shows how to fetch network card's address in Java 6.

Code:

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public class ListNetsEx
{
    public static void main(String args[])
      throws SocketException
    {
        Enumeration nets =
            NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface netint : Collections.list(nets))
            displayInterfaceInformation(netint);
    }

    static void displayInterfaceInformation(NetworkInterface netint)
      throws SocketException
    {
        System.out.println("Display name: "
          + netint.getDisplayName());
        System.out.println("Hardware address: "
          + Arrays.toString(netint.getHardwareAddress()));
    }
}

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